Telecommunications Abbreviations and Acronyms

1. USD
   United States Dollars
2. USD
   User'S Supplementary Documents
3. USD
   Utility Service Directory
4. USDL
   United States Dollars
5. USDN
   United States Digital Network
6. USEC
   Microsecond
7. USENET
   Users Network
8. USFDC
   United States Financial Data Center
9. USHR
   Unidirectional Self-Healing Ring
10. USIBC
    United States Integrated Business Center
11. USIC
    United States Integrity Center
12. UT
    Unit Tested
13. UT
    Universal Trunk
14. UT
    Utility
15. UTA
    Universityrsal Terminal Adapter
16. UTC
    Unable-To-Comply
17. UTC
    Unable-Zo-Comply
18. UTC
    Universal Thin Client
19. UTCF
    Upper-Tester Control Function
20. UTD
    Universityrsal Tone Decoder

Last updated: January 4, 2020 — Total entries: 16,704